The Collaborative International Dictionary of English v.0.48:
cross-dresser \cross-dresser\ n. someone who adopts the dress or manner or sexual role of the opposite sex. Syn: transvestite. [WordNet 1.5]WordNet (r) 3.0 (2006):
cross-dresser n 1: someone who adopts the dress or manner or sexual role of the opposite sex [syn: transvestite, cross-dresser]